Home / 2,425.77-3,347.64-1,377.90

Finding the Fourth Proportional to 2,425.77, 3,347.64 and 1,377.90

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Solution

The fourth proportional to 2,425.77, 3,347.64 and 1,377.90 is: 1,901.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.77 : 3,347.64 = 1,377.90 : x
  2. Step 2: Convert to fraction form
    2,425.77/3,347.64 = 1,377.90/x
  3. Step 3: Cross multiply
    2,425.77x = 3,347.64 × 1,377.90
  4. Step 4: Simplify right side
    2,425.77x = 4,612,713.16
  5. Step 5: Solve for x
    x = 4,612,713.16/2,425.77
  6. Step 6: Final answer
    x = 1,901.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.